For democracies to flourish and succeed, voters need accurate information on which to base their decisions; to weigh up the relative merits of proposed policy A over proposed policy B, to judge whether this candidate is more trustworthy or reliable than that one, or that these promises are more likely to be kept than those.

But recent elections, most notably that of Donald Trump as US president,…

For democracies to flourish and succeed, voters need accurate information on which to base their decisions; to weigh up the relative merits of proposed policy A over proposed policy B, to judge whether this candidate is more trustworthy or reliable than that one, or that these promises are more likely to be kept than those.

But recent elections, most notably that of Donald Trump as US President,…